| http://www.w3.org/ns/prov#value | - followed by a more elaborate exploration of the concept in the mid-1980s.3 More recently, the increasingly popular approach is being applied in most rural electrification projects, including such countries as Bolivia, Lao PDR, Peru, and the Philippines.4 Although fairly easy to apply, the procedure is not always well understood and is not without its critics, even by those educated in its underly
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